Applied Mechanics and Graphic Statics Two particles have been projected at angles 64° and 45° to the horizontal. If the velocity of projection of first is 10 m/sec, the velocity of projection of the other for equal horizontal ranges is 6.3 m/sec 9.3 m/sec 8.3 m/sec 7.3 m/sec 6.3 m/sec 9.3 m/sec 8.3 m/sec 7.3 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The following is not a law of static friction: The magnitude of the limiting friction bears a constant ratio to the normal reaction between two surfaces The force of friction is dependent upon the area of contact The force of friction always acts in a direction opposite to that in which the body tends to move The force of friction depends upon the roughness of the surface The magnitude of the limiting friction bears a constant ratio to the normal reaction between two surfaces The force of friction is dependent upon the area of contact The force of friction always acts in a direction opposite to that in which the body tends to move The force of friction depends upon the roughness of the surface ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A circular disc rotates at n rpm. The angular velocity of a circular ring of same mass and radius as the disc and to have the same angular momentum is n rpm n/2 rpm n/4 rpm 2n rpm n rpm n/2 rpm n/4 rpm 2n rpm ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The following factor affects the orbit of a satellite up to an altitude of 720 km from the earth's surface Aerodynamic forces Gravity of the sun and the moon None of these Uneven distribution of the gravitational field Aerodynamic forces Gravity of the sun and the moon None of these Uneven distribution of the gravitational field ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The unit of moments in M.K.S system, is kg/sec2 kg.m kg/sec kg/m2 kg/sec2 kg.m kg/sec kg/m2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If a set of given forces are such that their free vectors build a closed polygon, then The resultant force is zero but resultant couple is not zero The resultant force is zero but resultant couple may not be zero The resultant force and resultant couple are always zero The resultant force and resultant couple both may not be zero The resultant force is zero but resultant couple is not zero The resultant force is zero but resultant couple may not be zero The resultant force and resultant couple are always zero The resultant force and resultant couple both may not be zero ANSWER DOWNLOAD EXAMIANS APP